.overflow{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background-color: rgba(0,0,0,.6);
  display: flex;/*关键*/
  flex-direction: column;
  justify-content: center;
  z-index:1;
}
.overflow .modal{
  width: 86%;
  /*min-height: 200px;*/
  background:#fff;
  margin-left:7%;
  border-radius: 5px;
  position: relative;
  padding:5px;
  z-index:100
}

/* css for alert */
.alert-box {
  position: relative;
  width: 80%;
  height: auto;
  margin-left:10%;
  background: #ffffff;
  z-index: 2;
  overflow: hidden;
  opacity: 1;
  border-radius:5px;
}
.alert-box.fadeIn {
  opacity: 1;
  /*-webkit-animation: fadeIn .3s;*/
}
.alert-box-header {
  padding: 10px 15px 0 15px;
  text-align: center;
  font-size: 1em;
  color:#333;
}
.alert-box-body {
  padding: 15px;
  overflow: hidden;
  font-size: 0.875em;
  color:#333;
}
.alert-box-footer {
  position: relative;
  overflow: hidden;
  font-size: 1em;
  display: flex;/*关键*/
  flex-direction: row;
  align-items: flex-start;
}
.aui-box-btn {
  flex:1;
  text-align: center;
  position: relative;
  padding: 15px 0;
  z-index: 999;
  color:#333;
}
.aui-box-btn:after {
  border-right: 1px solid #dbdbdb;
  border-top: 1px solid #dbdbdb;
  display: block;
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  -webkit-transform-origin: 0 0;
  -webkit-transform: scale(1);
  pointer-events: none;
}
.aui-box-btn:last-child:after {
  border-right: 0;
}

/*for actionSheet*/
.actionSheet {
  position: absolute;
  bottom: 0;
  left: 0;
  width:100%;
  background:#eee;
}

.actionSheet-btn {
  padding: 10px 0px;
  fonts-size: 16px;
  background: #fff;
  width: 100%;
  text-align: center;
  position: relative;
}

.actionSheet-menus{
  margin-bottom:10px;
}

.actionSheet-menus > .actionSheet-btn{
  content:'';
  border-bottom: 1px solid #efefef;
  display: block;
  content: '';
}
